@article{article71e1f7f9, title = {Comb and propolis waxes from Brazil (states of São Paulo and Paraná)}, author = {Negri, Giuseppina and Marcucci, Maria Cristina and Salatino, Antonio and Salatino, Maria Luiza Faria}, year = {2000}, doi = {10.1590/s0103-50532000000500004}, journal = {Journal Brazilian Chemical Society} }